<?php
$a = 5;
$b = 6;
$c = 7;
$d = 8;

if($a == 5)
if($b == 6)
if($c == 7) /// here condition is false so skip further code
if($d == 18)
echo "Yes TRUE";
else
echo ":(";
// Ans is Blank Page
echo "<br>------------------<br>";
if($a == 5)
{
  if($b == 6)
  {
    if($c == 7)
    {
      if($d == 18)
      {
        echo "Yes TRUE";
      } else {
        echo ":(";
      }
    }
  }
}
